Seiko Cal. 4438 - 851

This Automatic model from 1983 features a 42mm Stainless Steel case. Powered by the 4438 caliber with 25j jewels beating at 28,800 bph, it delivers a 63 hours power reserve. [seikata-wm-94107957366b]

Also known as: World Timer

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

42mm

Case Thickness

12.0mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

120m

Dial Color

White

Jewels

25j

Frequency

28,800 bph

Power Reserve

63 hours

Year

1983

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